. . . . . . . . . . . . . "cat(p(HGNC:PTGS2)) => a(CHEBI:\"prostaglandin H2\")" . "Approximately 61,000 statements." . "Copyright (c) 2011-2012, Selventa. All rights reserved." . "BEL Framework Large Corpus Document" . . "1.4" . "The production of prostaglandins begins with the liberation of arachidonic acid from membrane phospholipids by phospholipase A2 in response to inflammatory stimuli. Arachidonic acid is converted to PGH2 by the cyclooxygenase enzymes COX-1 and COX-2 (known formally as prostaglandin endoperoxide H synthases). " . . "Selventa" . . . . "2014-07-03T14:30:01.310+02:00"^^ . . .